HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
p-Toluenesulfonic acid → 2-(Chloroethyl)-3-methyl-5,6-dihydro-1,4-dithiin
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | p-Toluenesulfonic acid | HCID 6101 | — |
| Edukt | 1,1-Ethanedithiol | HCID 33645 | — |
| Edukt | 3,5-Dichloropentan-2-one | HCID 94032 | — |
| Lösungsmittel | Toluene | HCID 1140 | — |
| Produkt | 2-(Chloroethyl)-3-methyl-5,6-dihydro-1,4-dithiin | HCID 14551710 | 32% |
Reaktionsschritte
A mixture of 0.1 mole (15.4 g.) 3,5-dichloro-2-pentanone, 0.1 mole (9.4 g.) ethanedithiol and 0.3 mole PTSA was stirred at room temperature overnight. The product was taken up in toluene, washed with 5% sodium bicarbonate and water, dried over magnesium sulfate, filtered and the solvent removed. The product was distilled; bp. 114°-116°/0.7 mm. Yield 32%.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04822813 |
| Quelldatensatz | uspto-grants-1989_04 |
| ORD ID | ord-6f50d090d94348cfbe37538b26c65891 |
| Quellennotiz | uspto-grants-1989_04 |